A software update collaborated on by Microsoft, Apple + countless of volunteer groups managing various other distributions?
The cat really is out of the bag. You could probably make it a death penalty in the whole world and some people would still use it secretly.
Once things like this run on consumer hardware, I think it's already too late to pull it down fully. You could regulate it though and probably have a better chance of limiting the damages, not sure an outright ban could even have the effect you want with a ban.
